2641597056 has 384 divisors, whose sum is σ = 9558216000. Its totient is φ = 714147840.

The previous prime is 2641597033. The next prime is 2641597067. The reversal of 2641597056 is 6507951462.

2641597056 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 597 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3217126 + ... + 3217946.

Almost surely, 2^2641597056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2641597056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4779108000).

2641597056 is an abundant number, since it is smaller than the sum of its proper divisors (6916618944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2641597056 is a wasteful number, since it uses less digits than its factorization.

2641597056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2641597056 is about 51396.4692950790. The cubic root of 2641597056 is about 1382.3632850974.

The spelling of 2641597056 in words is "two billion, six hundred forty-one million, five hundred ninety-seven thousand, fifty-six".